GOODS & SERVICES: New Ideas, may 16, 1955

Turbo-charged Tractors. The first practical turbosupercharger for
heavy-duty tractors and earthmovers has been developed by Los Angeles'
Garret Corp. Like a turbosupercharger on a plane, Garrett's device
captures hot exhaust gases to drive a turbine, which in turn drives air
into the cylinder, increasing combustion and power. Primarily developed
for Caterpillar Tractor of Peoria, Ill., the supercharger reportedly
boosts heavy-duty diesel-engine output by 50%, trebles the tractor's
work capacity. Airesearch next plans to adapt the turbosuperchargers to
smaller diesel engines, such as those on trucks and buses.